The Sanyo MDF-U537 Biomedical Freezer offers excellent reliability and performance in a wide variety of research and storage applications with excellent safety features and easy operation. The MDF-U537 is a large capacity (482L) upright freezer, which makes it economical and saves space. The upper / lower double door design prevents cold air from escaping and each of the five drawers has an individual freezing circuit. Safety features include alarms for high and low temperatures and power failures, as well as self-diagnosis and compressor protection functions.